Index: llvm/trunk/utils/benchmark/src/colorprint.cc
===================================================================
--- llvm/trunk/utils/benchmark/src/colorprint.cc
+++ llvm/trunk/utils/benchmark/src/colorprint.cc
@@ -25,7 +25,7 @@
 #include "internal_macros.h"
 
 #ifdef BENCHMARK_OS_WINDOWS
-#include <Windows.h>
+#include <windows.h>
 #include <io.h>
 #else
 #include <unistd.h>
Index: llvm/trunk/utils/benchmark/src/sleep.cc
===================================================================
--- llvm/trunk/utils/benchmark/src/sleep.cc
+++ llvm/trunk/utils/benchmark/src/sleep.cc
@@ -21,7 +21,7 @@
 #include "internal_macros.h"
 
 #ifdef BENCHMARK_OS_WINDOWS
-#include <Windows.h>
+#include <windows.h>
 #endif
 
 namespace benchmark {
Index: llvm/trunk/utils/benchmark/src/sysinfo.cc
===================================================================
--- llvm/trunk/utils/benchmark/src/sysinfo.cc
+++ llvm/trunk/utils/benchmark/src/sysinfo.cc
@@ -15,10 +15,10 @@
 #include "internal_macros.h"
 
 #ifdef BENCHMARK_OS_WINDOWS
-#include <Shlwapi.h>
+#include <shlwapi.h>
 #undef StrCat  // Don't let StrCat in string_util.h be renamed to lstrcatA
-#include <VersionHelpers.h>
-#include <Windows.h>
+#include <versionhelpers.h>
+#include <windows.h>
 #else
 #include <fcntl.h>
 #ifndef BENCHMARK_OS_FUCHSIA
Index: llvm/trunk/utils/benchmark/src/timers.cc
===================================================================
--- llvm/trunk/utils/benchmark/src/timers.cc
+++ llvm/trunk/utils/benchmark/src/timers.cc
@@ -16,10 +16,10 @@
 #include "internal_macros.h"
 
 #ifdef BENCHMARK_OS_WINDOWS
-#include <Shlwapi.h>
+#include <shlwapi.h>
 #undef StrCat  // Don't let StrCat in string_util.h be renamed to lstrcatA
-#include <VersionHelpers.h>
-#include <Windows.h>
+#include <versionhelpers.h>
+#include <windows.h>
 #else
 #include <fcntl.h>
 #ifndef BENCHMARK_OS_FUCHSIA